EP3991885A4 - Machine tool and control device for machine tool - Google Patents

Machine tool and control device for machine tool Download PDF

Info

Publication number
EP3991885A4
EP3991885A4 EP20861296.0A EP20861296A EP3991885A4 EP 3991885 A4 EP3991885 A4 EP 3991885A4 EP 20861296 A EP20861296 A EP 20861296A EP 3991885 A4 EP3991885 A4 EP 3991885A4
Authority
EP
European Patent Office
Prior art keywords
machine tool
control device
tool
machine
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20861296.0A
Other languages
German (de)
French (fr)
Other versions
EP3991885A1 (en
Inventor
Toshiyuki Suzuki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Citizen Machinery Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Machinery Co Ltd
Citizen Watch Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Citizen Machinery Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Machinery Co Ltd
Publication of EP3991885A1 publication Critical patent/EP3991885A1/en
Publication of EP3991885A4 publication Critical patent/EP3991885A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B23B5/14—Cutting-off lathes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
    • B23Q17/09—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool
    • B23Q17/0952—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining
    • B23Q17/0961—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring cutting pressure or for determining cutting-tool condition, e.g. cutting ability, load on tool during machining by measuring power, current or torque of a motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B25/00—Accessories or auxiliary equipment for turning-machines
    • B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting tools or work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B7/00—Automatic or semi-automatic turning-machines with a single working-spindle, e.g. controlled by cams; Equipment therefor; Features common to automatic and semi-automatic turning-machines with one or more working-spindles
    • B23B7/02—Automatic or semi-automatic machines for turning of stock
    • B23B7/10—Accessories, e.g. guards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B3/00—General-purpose turning-machines or devices, e.g. centre lathes with feed rod and lead screw; Sets of turning-machines
    • B23B3/30—Turning-machines with two or more working-spindles, e.g. in fixed arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B7/00—Automatic or semi-automatic turning-machines with a single working-spindle, e.g. controlled by cams; Equipment therefor; Features common to automatic and semi-automatic turning-machines with one or more working-spindles
    • B23B7/02—Automatic or semi-automatic machines for turning of stock
    • B23B7/06—Automatic or semi-automatic machines for turning of stock with sliding headstock

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turning (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Machine Tool Sensing Apparatuses (AREA)
  • Numerical Control (AREA)
EP20861296.0A 2019-09-03 2020-08-17 Machine tool and control device for machine tool Pending EP3991885A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019160734A JP2021037589A (en) 2019-09-03 2019-09-03 Machine tool and control device of machine tool
PCT/JP2020/031015 WO2021044834A1 (en) 2019-09-03 2020-08-17 Machine tool and control device for machine tool

Publications (2)

Publication Number Publication Date
EP3991885A1 EP3991885A1 (en) 2022-05-04
EP3991885A4 true EP3991885A4 (en) 2023-10-11

Family

ID=74848057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20861296.0A Pending EP3991885A4 (en) 2019-09-03 2020-08-17 Machine tool and control device for machine tool

Country Status (7)

Country Link
US (1) US20220314332A1 (en)
EP (1) EP3991885A4 (en)
JP (1) JP2021037589A (en)
KR (1) KR20220051349A (en)
CN (1) CN114364476A (en)
TW (1) TW202110556A (en)
WO (1) WO2021044834A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022178475A (en) * 2021-05-20 2022-12-02 スター精密株式会社 Machine tool and control device for machine tool

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2670955B2 (en) * 1991-12-27 1997-10-29 中村留精密工業株式会社 Axial force control device and operation control method for headstock of lathe
JP3355213B2 (en) 1993-02-27 2002-12-09 スター精密株式会社 Automatic lathe
JPH10156601A (en) * 1996-11-29 1998-06-16 Murata Mach Ltd Cutting-off confirming device for opposed two-spindle lathe
JP2005001062A (en) * 2003-06-12 2005-01-06 Miyano:Kk Machine tool
JP5668241B2 (en) * 2011-03-09 2015-02-12 セイコーインスツル株式会社 Work cutting confirmation device, work cutting system and work cutting confirmation method
JP6719979B2 (en) * 2016-05-27 2020-07-08 シチズン時計株式会社 Machine Tools

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
EP3991885A1 (en) 2022-05-04
CN114364476A (en) 2022-04-15
KR20220051349A (en) 2022-04-26
WO2021044834A1 (en) 2021-03-11
JP2021037589A (en) 2021-03-11
TW202110556A (en) 2021-03-16
US20220314332A1 (en) 2022-10-06

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: SUZUKI, TOSHIYUKI

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20230911

RIC1 Information provided on ipc code assigned before grant

Ipc: B23B 5/14 20060101ALI20230905BHEP

Ipc: B23B 3/30 20060101ALI20230905BHEP

Ipc: B23B 7/10 20060101ALI20230905BHEP

Ipc: B23B 7/06 20060101ALI20230905BHEP

Ipc: B23Q 17/09 20060101ALI20230905BHEP

Ipc: B23B 25/06 20060101AFI20230905BHEP